15005132250 has 32 divisors (see below), whose sum is σ = 37452811968. Its totient is φ = 4001368400.

The previous prime is 15005132231. The next prime is 15005132323. The reversal of 15005132250 is 5223150051.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15005132250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10002672 + ... + 10004171.

It is an arithmetic number, because the mean of its divisors is an integer number (1170400374).

Almost surely, 2^15005132250 is an apocalyptic number.

15005132250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15005132250 is an abundant number, since it is smaller than the sum of its proper divisors (22447679718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15005132250 is a wasteful number, since it uses less digits than its factorization.

15005132250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20006863 (or 20006853 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The spelling of 15005132250 in words is "fifteen billion, five million, one hundred thirty-two thousand, two hundred fifty".